Company Filing History:
Years Active: 1983-1987
Title: The Innovations of William D. Sproul
Introduction
William D. Sproul is an accomplished inventor based in Palatine, IL (US). He has made significant contributions to the field of metalworking through his innovative patents. With a total of 5 patents to his name, Sproul continues to push the boundaries of technology and engineering.
Latest Patents
Among his latest patents is a "Process and kit for working metals." This invention provides a comprehensive kit that includes a metal nitride and/or metal carbonitride coated metal working tool, along with a water-soluble metal working fluid. The fluid consists of a relatively large alkoxylated amine, an alkanol amine, and an acid-derived compound selected from organic acids, inorganic acids, and their salts. The process involves contacting a metal workpiece with the metal working tool and fluid to effectively work the metal.
Another notable patent is for "High hardness hafnium nitride." This invention describes a high hardness hafnium nitride formed by a reactive sputter coating of a substrate in a closed chamber using a substantially pure hafnium target, along with an atmosphere of argon and nitrogen. The resulting hafnium nitride exhibits a face-centered cubic structure with a lattice spacing of 4.55 to 4.58 Å, and a hardness ranging from 2700 to 5500 kilograms per square millimeter, as determined by a Vickers microindentation hardness test.
Career Highlights
William D. Sproul is currently employed at BorgWarner Inc., where he applies his expertise in metalworking technologies. His work has been instrumental in advancing the capabilities of metalworking tools and processes.
Collaborations
Throughout his career, Sproul has collaborated with notable colleagues, including James R. Tomashek and Kostas F. Dockus. These partnerships have fostered innovation and contributed to the development of cutting-edge technologies in their field.
Conclusion
William D. Sproul's contributions to the field of metalworking through his patents and collaborations highlight his role as a significant inventor. His innovative approaches continue to influence the industry and pave the way for future advancements.